I've been thinking of looking to get some straight through pipe from second cats onwards but couldn't find any information regarding any drones or if the coupe has central muffler, some says only the saloon version has it and while looking at realoem i've found that my car has central muffler??

I have aftermarket muffler which sounds great from outside but i cant tell any difference from stock when i'm inside the car..only slightly deeper roar.

I have an E90 so mine is slightly different - I have Catless DPs and stock from there onwards.

My assumption is that the X thing is to mix the exhaust gases in the mid pipes, its not big enough to be a muffler. The link between the two rear boxes does the same and apparently helps to reduce drone.

I would add a pair of resonators to the catless mid pipes smoked is selling and away you go!

I have an E90 so mine is slightly different - I have Catless DPs and stock from there onwards.

My assumption is that the X thing is to mix the exhaust gases in the mid pipes, its not big enough to be a muffler. The link between the two rear boxes does the same and apparently helps to reduce drone.

I would add a pair of resonators to the catless mid pipes smoked is selling and away you go!

Thanks..still weighting up my options...Mot after xmas so might just leave it till after =]